WiFi and Bluetooth based Smart Stick for Guiding Blind People
T. S. Aravinth
Abstract
Basically it is difficult for blind people to spend their day to day life with their disabilities. To make their stick smarter some systems interfaced advanced techniques like gadgets with their walking stick. This technology makes strolling stick smarter which has many applications together with on foot stick indicator in case if they miss the stick through sound beeping, they might walk utilizing the way of themselves. If they face any obstacle, they can sense it by a vibration sensor, and also they can hear the guide directions in the headset. The camera is used to detect the obstacle through an ultrasonic sensor placed on the stick. The captured image is sent to the microcontroller to identify the type of the object and then it is intimated as a voice command through the speaker or via earphones connected with Raspberry pi. So that blind can able to identify the object in front of them, if it is identified that is a human in their way, they can ask for any help. If there is a large obstacle like a car, they can be able to walk based on the object in-front of them. An interfacing GPS is used to identify the exact location.